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Finding the Fourth Proportional to 396,315.74, 594,580.80 and 282,607.16

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Solution

The fourth proportional to 396,315.74, 594,580.80 and 282,607.16 is: 423,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,315.74 : 594,580.80 = 282,607.16 : x
  2. Step 2: Convert to fraction form
    396,315.74/594,580.80 = 282,607.16/x
  3. Step 3: Cross multiply
    396,315.74x = 594,580.80 × 282,607.16
  4. Step 4: Simplify right side
    396,315.74x = 168,032,791,120.25
  5. Step 5: Solve for x
    x = 168,032,791,120.25/396,315.74
  6. Step 6: Final answer
    x = 423,987.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.